111225012 has 24 divisors (see below), whose sum is σ = 273184800. Its totient is φ = 35123616.

The previous prime is 111225011. The next prime is 111225013. The reversal of 111225012 is 210522111.

It is an interprime number because it is at equal distance from previous prime (111225011) and next prime (111225013).

It is a junction number, because it is equal to n+sod(n) for n = 111224982 and 111225000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111225011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243687 + ... + 244142.

It is an arithmetic number, because the mean of its divisors is an integer number (11382700).

Almost surely, 2^111225012 is an apocalyptic number.

111225012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111225012 is an abundant number, since it is smaller than the sum of its proper divisors (161959788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111225012 is a wasteful number, since it uses less digits than its factorization.

111225012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487855 (or 487853 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 111225012 is about 10546.3269435382. The cubic root of 111225012 is about 480.9140741764.

Adding to 111225012 its reverse (210522111), we get a palindrome (321747123).

The spelling of 111225012 in words is "one hundred eleven million, two hundred twenty-five thousand, twelve".